<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta http-equiv="X-UA-Compatible" content="IE=edge" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>Document</title>
	</head>
	<body>
		<script>
			function Star(uname, age) {
				this.uname = uname;
				this.age = age;
			}
			Star.prototype = {
				sing: function () {
					console.log('sing');
				},
				cook: function () {
					console.log('cook');
				},
			};

			let vae = new Star('vae', 35);

			console.log(Star.prototype);

			console.log(Star.prototype.__proto__ === Object.prototype);

			console.log(Object.prototype.__proto__);
		</script>
	</body>
</html>
